Investigators walk down the bulldozed dirt road Tuesday morning after working at the hillside scene of the helicopter crash that killed Kobe Bryant and eight other people Sunday morning near the intersection of Las Virgenes Road and Willow Glen Stree

LOS ANGELES - The cause of death for all nine victims in a horrific helicopter crash in Calabasas that took the life of NBA legend Kobe Bryant has been certified as blunt trauma, the Los Angeles County Medical Examiner-Coroner announced on Friday.